🚀 Advanced JAVA J2EE (Jakarta EE 8) Masterclass

🌐 From Java Enthusiast to High-Paid Enterprise Developer — Designed with Human Psychology, Real-World Projects & Storytelling Mentorship

🎯 Become a JEE 8 Developer Trusted by Fortune 500 Companies

Java Enterprise Edition (Jakarta EE) is the backbone of scalable enterprise systems worldwide, powering solutions in sectors like finance, healthcare, telecom, and e-commerce. With this comprehensive, industry-oriented and highly interactive course, you’ll gain the skills to build enterprise-grade, RESTful, and secure applications with deep confidence.

🧠 Why This Course is Game-Changing

Unlike most video lectures that throw theory at you, this masterclass uses a “Psychological Learning Method”:

🧩 Storytelling-Driven Learning
– Every technical concept is tied into a real-world scenario — no dry theory. You’ll walk through enterprise projects, solving real business problems.

👨‍🏫 Expert-Led Mentorship by Debajit Raha
– A full-stack architect with multi-domain expertise. Not only will he teach you what to do, but also how to think and how to design JEE applications that scale.

📚 Mind-Mapped Modules + Visual Workflows
– Easy-to-digest, memory-friendly visuals and mental models for tough concepts like CDI, JPA mappings, and multi-threaded request handling.

💡 Reverse Engineering Interviews & Case Studies
– Based on feedback from over 250+ working professionals who cleared MNC interviews using this course.

🎁 6 Months of Extra Course Access + Recorded Classes
– Every learner gets lifetime access to recorded lectures, plus 6 extra months of mentoring and project support after course completion and full payment.

🎓 Who Is This Course For?

👩‍💻 Junior Developers — Who want to transition from basic Java to enterprise-level full stack.
👨‍💼 Working Professionals — Upskilling to crack interviews for mid/senior Java developer roles.
🎯 Career Changers — From testing, support, or other tech fields into full-time Java backend roles.
🎓 Students & Freshers — With Java knowledge aiming to enter product companies or service-based tech giants.

🧾 Prerequisites

✅ Basic understanding of Java programming
✅ Curiosity, commitment, and an open mind
✅ No prior experience in Spring, JPA, CDI, or REST required

🚀 Why this course is your next strategic career move as a seasoned professional

✅ Gain a rock-solid grasp of the architectural foundations of Java Enterprise Edition (JEE)
Move beyond “just coding” — truly understand the design principles and theories that have powered decades of reliable enterprise software. You’ll learn why things work the way they do, giving you the confidence to design systems, not just patch them.

✅ Decode JEE specifications vs. implementations — and leverage them expertly
Stop treating JEE as a black box. Discover what the JEE specs actually prescribe, and how different vendors implement them. This means you’ll pick the right tools for your needs, avoid vendor lock-in, and speak with authority in tech strategy meetings.

✅ Architect enterprise-grade applications from scratch
Not just toy examples — you’ll build real, production-style applications using JEE, preparing you to lead or advise on mission-critical projects.

✅ Write loosely coupled, maintainable code using CDI (Contexts and Dependency Injection)
Say goodbye to tight coupling and painful maintenance. Master dependency injection so your code is cleaner, easier to test, and built for change — a hallmark of senior engineering maturity.

✅ Understand how the JEE APIs work in concert to supercharge your productivity
See how specifications like JPA, EJB, JAX-RS, and CDI interoperate. This holistic view transforms you from a “specialist in a silo” to a well-rounded enterprise engineer who sees the big picture.

✅ Create robust RESTful web services with JAX-RS
Learn to design and implement REST APIs that are scalable, secure, and truly enterprise-ready — a critical skill as modern architectures demand API-driven systems.

✅ Leverage powerful web service toolkits to rapidly build enterprise solutions
Use proven patterns and JEE’s mature APIs to develop sophisticated systems faster and with fewer bugs, helping your team and stakeholders trust your expertise.

✅ Engineer complex database-backed applications effortlessly
Harness JEE’s data access layers to build applications that elegantly handle complex data relationships and transactions, with a strong focus on performance and scalability.

✅ Write meaningful integration tests for Java EE components
Move beyond simple unit tests. You’ll ensure your entire system works as expected in realistic environments — a key quality skill that sets senior developers apart.

✅ Harness JAX-RS to craft sleek, modern RESTful web services on Java EE 8
Step beyond the basics — build REST APIs that stand up to real-world enterprise demands.

✅ Fortify your APIs with robust JWT-based security
Protect your resources like a pro, ensuring only the right clients gain access — no more sleepless nights over data leaks.

✅ Seamlessly inject dependencies into your REST layers
Design services that are modular, testable, and ready for change, using CDI alongside JAX-RS.

✅ Employ powerful JAX-RS filters for cross-cutting concerns
From logging to authentication, elegantly weave in behavior without cluttering your core business logic.

✅ Expose individual Java methods directly as REST endpoints
Give clients precise entry points into your system, without unnecessary boilerplate.

✅ Embed the Java Persistence API (JPA) into your REST stack effortlessly
Build data-driven APIs that connect smoothly to complex relational schemas, without cumbersome glue code.

✅ Supercharge performance by implementing smart caching in your REST resources
Accelerate responses and reduce database hits — because your users deserve speed.

✅ Host full Java classes as RESTful resources for richer, organized APIs
Structure your endpoints in a way that’s intuitive for both maintainers and consumers.

✅ Deliver clean JSON payloads tailored to your clients’ needs
Say goodbye to clunky data — return precise, well-structured JSON that makes integration delightful.

✅ Guard your APIs by rigorously validating incoming client requests
Catch issues early, enforce data contracts, and keep your services bulletproof.

✅ Build asynchronous REST services that don’t block — even under heavy load
Stay responsive and scalable, making your architecture truly enterprise-ready.

✅ Accept file uploads gracefully in your REST endpoints
Handle documents, images, and binary payloads like a champ.

✅ Serve up files directly from your REST resources — from PDFs to images to reports
Deliver rich content experiences without awkward workarounds.

✅ Set and manage cookies in your REST responses to maintain state or enhance UX
Use cookies strategically to improve session flows and personalized experiences.

✅ Master the core principles of modern web development
Don’t just write code — truly understand what’s happening under the hood. Gain a strong grasp of HTTP, client-server communication, session management, and how browsers and servers really work, so you can make architectural decisions with confidence.

✅ Deep dive into JEE architecture and technologies
Discover how Java EE’s robust, scalable design supports enterprise-grade applications. You’ll understand the big picture — from containers to lifecycle management — which is essential if you aim to influence or lead large-scale projects.

✅ Complete, real-world examples that cover every major topic
Move beyond theory with hands-on, end-to-end examples. Each example reinforces practical skills, so you can immediately apply concepts to your work — reducing guesswork and future-proofing your expertise.

✅ A guided tour of essential Java web frameworks and technologies
You’ll explore the ecosystem around JEE, including where frameworks like Spring fit, helping you make informed choices for future projects and not just follow trends blindly.

✅ Comprehensive walkthroughs of Servlets with rich examples
Master how servlets manage requests, responses, sessions, and filters. This gives you the low-level control and insight that many frameworks ultimately rely on — so you can troubleshoot and optimize like a true expert.

✅ Hands-on mastery of JSP (JavaServer Pages)
Learn how to dynamically generate content and manage view logic efficiently. Real examples show you when and how to use JSP for maximum clarity and maintainability.

✅ Build a complete MVC web application using JSP, Servlets, and JDBC
See the entire workflow from client to database. You’ll architect and implement a clean, layered solution that mirrors how professional enterprise apps are structured.

✅ Connect to MySQL databases using JDBC
Go under the hood to directly manage database connections, execute queries, and handle transactions. This low-level skill means you can debug or optimize what many ORMs abstract away.

✅ Harness Apache Maven for dependable, repeatable builds
Get comfortable using Maven to manage dependencies, build lifecycles, and even automate deployments — critical for maintaining large codebases in collaborative environments.

✅ Work confidently with HTML, CSS, JavaScript, and AngularJS
Modern web applications are a blend of backend and frontend. You’ll integrate client-side technologies to deliver responsive, interactive experiences — and bridge the gap between backend and UI teams.

✅ Design your applications with the MVC pattern
Learn not just what MVC is, but why it’s so widely adopted. Architect your apps for separation of concerns, testability, and long-term flexibility.

✅ Understand JavaBeans and how to use them effectively
Build reusable, encapsulated components that simplify data management across your application layers — a classic skill every senior Java developer should master.

✅ Set up a professional-grade development environment
Use Java 8, Tomcat 9, and Spring Tool Suite (STS IDE) to mirror industry standards. You’ll streamline development, debugging, and deployment with a battle-tested stack.

✅ Minimize messy scriptlets using the JSP Standard Tag Library (JSTL)
Write cleaner, more maintainable JSP pages by leveraging powerful tags that handle logic, formatting, and iteration — keeping Java code out of your views.

✅ Install MySQL and seamlessly import database scripts
Set up your local database environment quickly and painlessly, so you can start building and testing realistic applications right away.

🗂️ Course Modules Overview (Broken Down by Key Domains)

🔍 1. JEE 8: Introduction & Evolution

• What is Java EE vs Jakarta EE?

• The JEE specification vs vendor implementations (Wildfly, Glassfish, Payara)

• Core architecture, request lifecycle, containers, and modularity

• Hands-on setup with Eclipse IDE and Maven for EE projects

📌 By the end of this module, you’ll understand how enterprise-grade Java works under the hood.

🧩 2. CDI 2.0 – Contexts & Dependency Injection (The Soul of JEE)

• Understanding Inversion of Control and Dependency Injection

• Scopes: @RequestScoped, @SessionScoped, @ApplicationScoped

• Event-Driven Architecture with @Observes

• @Produces and @Disposes for resource injection

• Qualifiers and Interceptors for dynamic bean resolution

📌 Real-world analogy: Managing dependencies in a factory workflow with plug-and-play modules.

🗃️ 3. JPA 2.2 – Java Persistence API

• Entity Mapping: @Entity, @Table, @Column, @Id, @GeneratedValue

• One-to-One, One-to-Many, Many-to-Many, Inheritance

• Named queries and dynamic JPQL

• Criteria API for advanced querying

• Caching strategies & performance tuning

• Transactions and locking

📌 You’ll build a mini-CRM backend project from scratch — with relationships and data integrity in focus.

🌐 4. JAX-RS 2.1 – RESTful Web Services

• @Path, @GET, @POST, @PUT, @DELETE

• JSON conversion with Jackson

• Exception handling & custom response mapping

• Securing endpoints with role-based access

• JAX-RS filters, interceptors, and URI query parameters

• Client-side REST calls for integrations

📌 You’ll build a fully documented REST API ready for Swagger + Postman testing.

🔐 5. JWT & Secure Authentication

• Stateless security architecture with JWT

• Role-based authentication with token validation

• Implement login/signup flow for users

• Secure REST endpoints with filters

📌 Interview Ready: Understand real-world login architecture and stateless security patterns.

💬 6. WebSockets for Real-Time Data Communication

• Build interactive apps with @ServerEndpoint and @OnMessage

• Integrate WebSockets with REST

• Chat application or stock ticker simulation project

🧪 7. Testing with Arquillian & JUnit

• Why Arquillian is important for JEE

• Setup of embedded container testing

• Writing integration and unit tests

• Mocking databases and injecting test data

📌 Confidence Builder: Go into interviews knowing how to test and deploy like an enterprise pro.

📚 8. Bonus Topics + Design Best Practices

• Exception hierarchy and global error handling

• Stateless vs stateful beans

• Maven multi-module project setup

• Integration with databases like PostgreSQL, MySQL, and Oracle

• Java Persistence API (JPA) for database access

• Java API for Restful Web Services for crafting modern web services

• Enterprise JavaBeans (EJB) API for crafting powerful business components.

• Contexts and Dependency Injection (CDI) API for crafting loosely coupled app

• Integration testing using the Arquillian framework

Deployments using Docker container orchestration 

✅ And so much more…
From handling asynchronous processing, to transaction management, to advanced security concepts — you’ll finish this course with a level of mastery that puts you ahead of the curve.

🧠 Why this matters for you, a seasoned professional:

• Future-proof your skills as Java continues to evolve (Jakarta EE, microservices, cloud-native).

• Increase your influence in architectural discussions and technical decision-making.

• Become the go-to expert your peers rely on for building resilient, maintainable systems.

• Position yourself strongly for tech lead or architect roles — or simply enjoy doing your current work with greater clarity and confidence.

  Master these capabilities and you’ll architect REST APIs that are not just functional, but strategically aligned to business goals.

• Build systems that are secure, maintainable, and a breeze to evolve.

• Reinforce your role as the technical anchor on your team, trusted to deliver enterprise-grade solutions with finesse.

• Upgrade from “implementer” to “architect,” understanding how each layer truly fits.

  Lead design discussions with authority because you see why patterns exist, not just how to follow them.

• Speed up your development with Maven, Tomcat, and modern IDE workflows — so you deliver faster with fewer headaches.

• Future-proof your career by mastering both traditional JEE and modern web integrations, making you invaluable on any team.

🧠 Teaching Methodology: Learning That Sticks

✔️ Storytelling-Led Modules — Simulate a real company’s tech journey
✔️ Assignments & Mock Projects after every section
✔️ Whiteboard Analysis + Debugging Scenarios
✔️ Interview Questions Discussed at Each Step
✔️ Live Doubt-Solving + Recorded Session Access
✔️ Weekly Mentorship + Career Advice Circles
✔️ Portfolio-Building with GitHub-Ready Code

🗨️ Testimonials from Indian Working Professionals

🧑‍💼 Abhishek J. — Senior Developer @ Accenture
“This is the course that finally demystified JEE for me. I cleared a Java Architect position after months of rejections. Debajit’s breakdown of CDI and REST made all the difference.”

👩‍💻 Rashmi D. — Java Engineer @ TCS
“The storytelling part is revolutionary. I retained more in two weeks of this course than months of self-learning. Helped me in real interview situations!”

🧑‍💼 Vikram S. — Backend Lead @ Wipro
“Every topic is practical and hands-on. The mock interviews and real-world architecture diagrams were gold. I now lead a microservices project using Jakarta EE.”

🎓 Aparna G. — Fresher placed via campus at Tech Mahindra
“This helped me ace the Java technical round in campus placements. The REST + JPA project we built was appreciated by the interviewer!”

🎁 Added Value & Exclusive Benefits

✅ 6 Months Extended Access for all full paid learners
✅ Class Recordings Available 24×7 — revise anytime within validity period
✅ Live Projects to showcase on LinkedIn & GitHub
✅ Certificate of Completion
✅ Mock Interviews + Feedback
✅ Interview Case Studies + Real Coding Test Scenarios
✅ Resume Building Assistance

🔥 Why This Course Over Others?

📝 Final Words from Instructor – Debajit Raha

“This is more than a course. It’s a journey to mastering enterprise Java — built from real-world experiences across industries and tech stacks. If you’re serious about leveling up, I’ll guide you step by step. Let’s build something you can be proud of.”

🎓 Enroll Now & Start Your Journey Toward Becoming a JEE Expert

✨ Free Demo Classes Available
📩 Contact us to book your seat now!